VXVM tutorial 11 – Linked Break-off snapshot

VXVM(VERITAS VOLUME MANAGER TRAINING) 11 OF 12

Linked break-off snapshot

In this post we are going to see about Linked break-off snapshot.Unlike the full-sized instant snapshots, this volume can be set up in a different disk group from the data volume and possible to refresh the snapshot .High level plan for backup using Linked break-off snapshot1.Prepare the data volume for snapshot2.Create new diskgroup and volume for snapshot.3.Link the snapshot volume and data volume.4.Break the link to create snapshot.5.Deport the snapshot diskgroup on database server and import the diskgroup on backup server.6.Mount the snapshot volume and perform the backup.7.once the backup is done,deport the snapshot diskgroup from the backup server and bring it back to database server for next backup.8. Refresh the snapshot using reattach command and perform the same from step no:4 as routine process. Here i have demonstrated the linked break-off snapshot using volume oravol1.Volume used in this setup: